Angles are classified as follows:-
Acute angle is greater than 0 but less than 90 degrees
Right angle is 90 degrees
Obtuse angle is greater than 90 but less than 180 degrees
Relex ange is greater than 180 bot less than 360 degrees
A full turn or rotation is 360 degrees
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Classifications by side length or comparison of angles and sides:scalene - no sides or angles equalisosceles - two sides and angles equal (congruent)equilateral - all sides and angles equal (all 60° angles)Classifications by included angles :right triangle - contains a 90° angle (right angle)oblique triangle - has no right angleacute triangle - contains all angles less than 90°obtuse triangle - contains one angle greater than 90°
There are right angles, acute angles, obtuse angles, and straight angles.
90 degree angles.90 degree angles.90 degree angles.90 degree angles.
equal angles are angles that are equal
Angles are equal or congruent to each other when the measurements of the angles are the same.